Mc60 voice input

I am using mc60E. I want to amplify the voice input to receive a very slow sound of mc60E.
If I don’t use the microphone as input and I use the output of my amplifier as input what I must do?

I’m sorry to reply you so late.
You can excute AT+QAUDCH=2 to swap the Audio Channels to the loudspeaker audio.

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